XBOX 360 - Upgrade your Sonic Adventure into DX - YouTube
Sonic the Hedgehog (2006) — StrategyWiki, the video game walkthrough and strategy guide wiki
Cheat Code Central: Xbox 360 (X360) Video Game Cheats, Codes, Cheat Codes, Hints, Tips, Tricks, Secrets, FAQs
Walkthrough: Stage 7 - Sonic Adventure 2 Wiki Guide - IGN
Sonic Adventure (X360) Review - Froggy? Where are you?!
Sonic Adventure 2 Battle HD :: 100% Complete - How To Unlock Everything! (720p/60fps) - YouTube
All Character Chao (And How To Get Them in Sonic Adventure 2 & Sonic Adventure DX) - YouTube
Sonic Adventure for All - Sales, Wiki, Release Dates, Review, Cheats, Walkthrough
Xbox 360 Cheats - Sonic Generations Wiki Guide - IGN
Sonic Adventure 1 achievements and trophies guide (XBLA, PSN) - Video Games Blogger
Sonic Adventure 2 - Wikipedia
Sonic Adventure for Xbox 360 Reviews - Metacritic
Sonic Adventure 2 Box Shot for Xbox 360 - GameFAQs
Sonic Adventure 2 Battle Gamecube Game
Sonic Adventure Cheats and Hints for Xbox 360
Sonic Adventure Cheats For Dreamcast Xbox 360 PlayStation 3 GameCube PC - GameSpot
Sonic Adventure — StrategyWiki, the video game walkthrough and strategy guide wiki
Chao Raising Cheat Sonic Adventure 2 Battle Unlimited Levels - YouTube
Sonic Adventure | Sega Wiki | Fandom
Sonic Adventure 2 Box Shot for Xbox 360 - GameFAQs
Basics - Sonic Unleashed Wiki Guide - IGN
Sonic Adventure 2 Box Shot for Xbox 360 - GameFAQs
Sonic Adventure 2 Cheats For Dreamcast GameCube Xbox 360 PlayStation 3 PC - GameSpot
The RAREST Chao In The Chao Garden! (Sonic Adventure DX and Sonic Adventure 2) - YouTube
Revisiting: 'Sonic Adventure' (1999) | N4G
